Home / 14,662.20-21,989.91-8,740.74

Finding the Fourth Proportional to 14,662.20, 21,989.91 and 8,740.74

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Solution

The fourth proportional to 14,662.20, 21,989.91 and 8,740.74 is: 13,109.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.20 : 21,989.91 = 8,740.74 : x
  2. Step 2: Convert to fraction form
    14,662.20/21,989.91 = 8,740.74/x
  3. Step 3: Cross multiply
    14,662.20x = 21,989.91 × 8,740.74
  4. Step 4: Simplify right side
    14,662.20x = 192,208,085.93
  5. Step 5: Solve for x
    x = 192,208,085.93/14,662.20
  6. Step 6: Final answer
    x = 13,109.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.